Chronic fatigue syndrome (CFS) is an important condition confronting patients, clinicians,
and researchers. This article provides information concerning the need for appropriate …

Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME) is a chronic multisystem
disease characterized by a variety of symptoms, and exhibits various features of an …

The study examined whether deficits in cardiac output and blood volume in a CFS (chronic
fatigue syndrome) cohort were present and linked to illness severity and sedentary lifestyle …

Background Although characteristics such as heart rate (HR) and blood pressure (BP) are
commonly reported in studies of the relationship between fatigue and cardiac functioning …

Medically unexplained illnesses are among the most common disorders in primary medical
care today. Accordingly, there has been a recent surge of interest in the physiology of such …

Objectives: To test the hypothesis that medically unexplained chronic fatigue and chronic
fatigue syndrome (CFS) are heterogeneous conditions, and to define the different conditions …

Background Chronic fatigue syndrome (CFS) is defined by self-reported symptoms. There
are no diagnostic signs or laboratory markers, and the pathophysiology remains inchoate. In …

Background Chronic fatigue syndrome is a common condition characterized by severe
fatigue with post-exertional malaise, impaired cognitive ability, poor sleep quality, muscle …

Objectives: To identify the underlying gene expression profiles of unexplained chronic
fatigue subjects classified into five or six class solutions by principal component (PCA) and …

The current case definition of chronic fatigue syndrome (CFS) was developed by consensus
rather than empirical methods. From a practice point of view, if the case definition is not …